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Wooden greenhouses are low cost greenhouses used by farmers in the production of high value vegetable crops. Wooden greenhouse construction is therefore getting more popular.

materials for wooden greenhouses in Kenya
• Timber and Poles: These are round poles 16ft for the middle and 13ft for the sides. They have to be treated for longevity. Treatment includes using oil or chemical soaking
• Greenhouse polythene sheet. This can either be yellow/green or clear/nectarine. Clear UV sheet is highly recommended for vegetables, but yellow colour is ideal, especially in the highlands.
• Insect netting or side netting to prevent entry of insect pests. This net is UV treated for longevity.
• Nails (1’’, 2’’, 3’’, 4’’ and 6’’)
• Cement, sand and ballast
• Irrigation system

How to construct wooden greenhouses
Construction of wooden greenhouse starts with ground levelling and making holes, 2ft deep. Round poles are then placed in the holes then a mixture of cement, sand and ballast added to make it hole. Construction of an 8m by 30m greenhouse can take 7 days.
During construction, direction of wind has to be considered to prevent damage during strong winds. Ventillation system is also taken care of to allow free flow of air thereby reducing incidences of fungal disease attack.
Wooden Greenhouse Kit comprises of:
Grekkon wooden greenhouse kit has the following:
• Greenhouse structure
• Entry pouch for disinfection
• Drip Irrigation kit complete with filtration system and all kits
• Insect netting for insect pest control
• UV treated 1000 gauge greenhouse polythene sheet.

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